/* styles.css */

body,
html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
}

.container {
    display: flex;
    height: 100%;
}

.sidebar {
    flex: 0 0 250px;
    background-color: #f0f0f0;
    overflow: hidden;
    transition: flex 0.3s;
}

.content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.header {
    padding: 20px;
    background-color: #333;
    color: #fff;
}

.main {
    flex: 1;
    padding: 20px;
}

.footer {
    padding: 10px;
    background-color: #f0f0f0;
}

/* 左边菜单样式 */
.menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.menu li {
    padding: 10px;
    cursor: pointer;
    border-bottom: 1px solid #ccc;
}

.menu li:last-child {
    border-bottom: none;
}